baber/WOPTO huggingface dataset:
Patent JP-2022189816-A (JP)
Title: Electron mediator screening method, electrochemical measurement method, fuel battery and device manufacturing method
Inventor: ETSU YOSUKE
IPC: G01N27/327
Filed: 2022-06-10
Abstract: To provide an electron mediator that can solve at least partially conventional problems, and to provide a method and device that use the electron mediator.SOLUTION: The present invention relates to a screening method of a mediator, and the screening method, electrochemical measurement method, fuel battery manufacturing method and the like are provided that include the steps of: excluding a water-soluble mediator from a selection object; selecting a compound low in solubility to water; excluding the mediator to be ionized when oxidized from the selection object; calculating a current value maintenance factor when subjecting the selected compound to continuous cyclic voltammetry; and determining a candidate compound indicative of the excellent current value maintenance factor as the mediator available for an electrochemical measurement.SELECTED DRAWING: None
Patent JP-2022120126-A (JP)
Title: Method and system for dynamic fault detection in electric grid
IPC: H02J13/00
Filed: 2022-06-14
Abstract: PROBLEM TO BE SOLVED: To provide electric transmission and distribution networks. 
     SOLUTION: A system for detecting faults in an electric grid is provided, comprising: a plurality of grid measuring devices distributed in the electric grid and configured to be operative to measure current and/or voltage with their respective time of occurrence, enabling a user to define at least one fault type; and at least one rule for detecting the fault type, where the rule associates the fault type with at least one of the measurements, executes measurement, and analyzes the measurements according to the rule to detect a fault. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023183334-A (JP)
Title: 植物の活動状態判別方法
IPC: A01G7/00
Filed: 2022-06-15
Abstract: 【課題】経験、熟練を要することなく、精度よく植物の活動状態を判別可能な植物の活動状態判別方法が提供される。【解決手段】植物の活動状態判別方法は、植物の表面温度と、植物の周囲温度と、を測定する測定工程（Ｓ１）と、測定された表面温度及び周囲温度を用いて、統計学的手法又は機械学習手法によって予測値を算出する算出工程（Ｓ２）と、算出された予測値に基づいて、植物の活動状態を判別するために用いられる、表面温度及び周囲温度と活動状態との対応関係を示す関係式又は関係図を生成する、関係生成工程（Ｓ３）と、を含む。【選択図】図３
Patent JP-2023184243-A (JP)
Title: 保護部材、および電子機器
IPC: B43L1/04
Filed: 2022-06-17
Abstract: 【課題】強靭性に優れた保護部材を提供すること。【解決手段】本発明の一態様に係る保護部材は、平面視において保護対象物を内側に支持可能な枠体と、平面視において前記枠体と少なくとも一部が重なるように配置され、前記枠体に固定される板状部材と、を有し、前記枠体は、前記枠体の辺となる複数の柱状部材と、前記複数の柱状部材同士を接続する接続部材と、を含む。【選択図】図１
Patent JP-2024000105-A (JP)
Title: 計算機システム、及び冗長化要素構成方法
IPC: G06F3/06
Filed: 2022-06-20
Abstract: 【課題】容易且つ適切にストレージシステムにおける信頼性を向上できるようにする。【解決手段】複数のインスタンス４０をリスク境界で区分された複数のサブゾーンのいずれかに配置可能なストレージシステムを含む計算機システムにおいて、計算機システムのプロセッサを、複数のストレージ（７３）から提供される容量プールに基づくボリュームに対するＩ／Ｏ処理を制御するストレージコントローラ（７２）を、複数のサブゾーン３０に配置された複数のインスタンス４０に冗長化して構成させるようにする。【選択図】図６
Patent JP-2024000759-A (JP)
Title: 離型フィルム
IPC: B32B27/00
Filed: 2022-06-21
Abstract: 【課題】成型品に対する良好な離型性を得つつも、熱板側への貼り付きを抑制できる離型フィルムを提供する。【解決手段】本発明の離型フィルム１００は、一方の面に第１離型層１１を備え、ＪＩＳ Ｋ７１２８－３：１９９８に準拠し２５℃にて測定された当該離型フィルムの幅方向（ＴＤ）と長さ方向（ＭＤ）の引裂き強度の平均値が２０００～５０００Ｎ／ｃｍである。【選択図】図１
Patent JP-2024000782-A (JP)
Title: 基地局及びプログラム
IPC: H04W72/566
Filed: 2022-06-21
Abstract: 【課題】良好な通信性能を実現する基地局を提供すること。 
【解決手段】実施形態に係る基地局は、通信部と、制御部と、を具備する。通信部は、端末から送信されるアップリンクデータを受信し、前記アップリンクデータをサーバに送信し、前記サーバが前記アップリンクデータに基づいて生成したダウンリンクデータを受信し、前記ダウンリンクデータを前記端末に送信する。制御部は、通信リソース割り当て要求を受信した第１時刻と、前記アップリンクデータを受信した第２時刻と、前記ダウンリンクデータを受信した第３時刻と、ラウンドトリップ遅延閾値時間とに基づいてダウンリンク残余時間を求め、前記ダウンリンクデータを前記端末に送信する第４時刻を前記ダウンリンク残余時間に応じて決定する。 
【選択図】図４
Patent JP-2024001925-A (JP)
Title: 草刈機
IPC: A01B69/00
Filed: 2022-06-23
Abstract: 【課題】小型乗用草刈り機の走行速度制御で、特に舵取りに絡む旋回走行速度制御を、作業者の運動感覚、体調、性格、好み、癖、などそれぞれ固有の能力に応じた速度制御を理想的に実現し、安定性、安全性に優れた草刈り機を提供する【解決手段】電子制御ＨＳＴに構成した小型乗用草刈機で、ステアリング回転角度と、ＨＳＴレバー回動位置と、操縦者の操縦の仕方を読み取り学習し、操縦者に応じた旋回走行速度調整出来るようにＡＩ制御するようにした。【選択図】図８
Patent JP-2024001970-A (JP)
Title: 加熱装置
IPC: B60H1/22
Filed: 2022-06-23
Abstract: 【課題】 加熱装置に印加される電圧範囲が広帯域であっても、ヒータ出力や目標消費電力に到達するまでの時間のばらつきを抑え、安定した動作が可能な加熱装置を提供する。【解決手段】 加熱装置１０は、車両からの電力消費要求に応じて発熱可能な電気抵抗素子１１と、電気抵抗素子１１による消費電力を少なくとも制御可能な制御手段１３と、と備え、制御手段１３は、電気抵抗素子１１への印加電圧に応じて、所定の基準時間における前記消費電力の上昇量を調整可能である。【選択図】図６
Patent JP-2022125102-A (JP)
Title: Semiconductor device
IPC: H01L29/786
Filed: 2022-06-23
Abstract: PROBLEM TO BE SOLVED: To provide a novel multi-gate structure transistor with improved operating characteristics and reliability. 
     SOLUTION: A multi-gate structure transistor includes two or more gate electrodes, and a semiconductor layer having two or more channel forming regions, a source region, a drain region, and a high-concentration impurity region serially connected, and the channel length of the channel forming region adjacent to the source region side is made longer than the channel length of the channel forming region adjacent to the drain region side. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2024002235-A (JP)
Title: 車両
IPC: B60L7/12
Filed: 2022-06-23
Abstract: 【課題】非常用の機械式ブレーキを使用する場合の制動距離の増加を抑制することができる車両を提供すること。【解決手段】車両は、駆動源であるモータと、モータを駆動させるバッテリと、モータによる回生ブレーキと、機械式ブレーキとを少なくとも含む複数系統の制動装置と、制御部と、を備える車両において、制御部が、通常の減速時は回生ブレーキによる回生制動を行い、バッテリの状態によって回生制動に制限がかかる場合は機械式ブレーキによる制動を行い、機械式ブレーキの作動回数と機械式ブレーキが作動した際の車両の重量に基づいて、機械式ブレーキを作動させた際のエネルギー吸収量の積算値を算出し、積算値が増える程、車両の速度上限値を小さくする。【選択図】図２
Patent JP-2023010615-A (JP)
Title: Pressed paperboard bowl with wide upper rim
Inventor: ERIC JOHN BERG
IPC: B65D1/34
Filed: 2022-06-24
Abstract: To provide a disposable bowl press-molded from a substantially planar paperboard blank.SOLUTION: A bowl 100 has a large volume for easy handling, wide flange and exhibits excellent rim stiffness. The bowl may include a bottom panel 110, a sidewall 120 extending upwardly and outwardly from the bottom panel and a flange 130 extending outwardly from the sidewall. The flange includes a rim part 140 having an arcuate central crown with a convex upper surface defining a radius of curvature RC of 0.650 to 1.180 inches (1.651 to 2.9972 cm), an annular transition part from the rim part defining a radius of curvature, R3, and an evert 160 extending downwardly from the annular transition part, R3, the bowl has an outermost diameter D of about 8 inch (20.32 cm) to about 10 inch (25.4 cm) and a height-to-diameter ratio, H/D, of 0.18 to 0.20.SELECTED DRAWING: Figure 1
Patent JP-2024002622-A (JP)
Title: 補強構造および既設設備の補強方法
IPC: E04G23/02
Filed: 2022-06-24
Abstract: 【課題】施工性を高める。【解決手段】補強構造１０は、平面部１６を有する補強対象材１１と、平面部１６にスペーサ１３を介して設けられた補強材１２と、平面部１６、スペーサ１３、および補強材１２を挟み込んで固定する固定具２０と、を備える。【選択図】図４
Patent JP-2024003613-A (JP)
Title: 画像処理装置及び方法、電子機器、及びプログラム
IPC: H04N23/667
Filed: 2022-06-27
Abstract: 【課題】 ユーザによる撮像装置の操作状態に応じて、ノイズレベルとゲイン制御との兼ね合いを図ること。【解決手段】 感度を設定する設定手段と、前記設定手段により設定された感度に応じて、画像信号にかけるアナログゲインを制御するアナログゲイン制御手段と、前記設定手段により設定された感度に応じて、前記画像信号にかけるデジタルゲインを制御するデジタルゲイン制御手段と、複数のゲイン制御モードのいずれかを選択する選択手段と、前記選択手段により選択されたゲイン制御モードに応じて、前記アナログゲイン制御手段および前記デジタルゲイン制御手段によるゲイン制御に制限をかける制御手段と有する。【選択図】 図３
Patent JP-2022130563-A (JP)
Title: Inhaling device having built-in electronic module
IPC: A61M15/00
Filed: 2022-06-28
Abstract: PROBLEM TO BE SOLVED: To include an electronic module in an inhaler. 
     SOLUTION: An inhaler may include a mouthpiece, a lever, and an electronic module having a processor, a power source, and a switch. The electronic module may be configured so as to be in an OFF state before the lever is moved from a first position to a second position for the first time. The switch may be configured so as to be actuated when the lever is moved from the first position to the second position. The electronic module may be configured so as to be shifted to an active state when the switch is actuated. The electronic module may be configured so as not to return to an OFF state after the lever is moved from the first position to the second position by a user for the first time. 
     SELECTED DRAWING: Figure 5 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022121547-A (JP)
Title: Method of manufacturing solid secondary battery sheet, and solid secondary battery binding agent
IPC: H01M10/052
Filed: 2022-06-28
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a solid secondary battery electrode, and a binding agent, capable of reducing an electrode resistance and obtaining a strength of a positive electrode mixture sheet, in an electrode using PTFE. 
     SOLUTION: A method of manufacturing a solid secondary battery sheet includes a step (1) of preparing a secondary battery sheet production composition substantially containing no liquid medium by using a powder binding agent in which a polytetrafluoroethylene resin and a conductive assistant are uniformly mixed, the binding agent not containing an active material. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2024005471-A (JP)
Title: 遊技機
IPC: A63F7/02
Filed: 2022-06-30
Abstract: 【課題】遊技者を惹きつける遊技機を提供すること。【解決手段】特別遊技の実行を期待させる特定状態の特定画像を強調する所定の強調演出の実行中に、遊技方法を報知する特定報知が実行される場合、可動演出手段は、所定の強調演出に対応した演出を実行可能であり、特定報知に対応した演出の実行を制限可能である。【選択図】図８２
Patent JP-2024008249-A (JP)
Title: 地盤凍結システム
IPC: E02D3/115
Filed: 2022-07-07
Abstract: 【課題】地盤凍結システムの冷却能力を高める。【解決手段】地盤を凍結させる地盤凍結システムは、地盤に埋設される凍結管１０１と、凍結管１０１内に対向配置された少なくとも１対の扁平形状の冷却循環用の冷媒配管２０１と、冷媒配管２０１における、互いに対向する面に接触または近接する冷媒配管側面３０１ａ、および凍結管１０１の内面に接触または近接する凍結管側面３０１ｂを有する熱伝導部材３０１と、凍結管１０１内に充填される熱伝導流体とを備える。【選択図】図２
Patent JP-2024011311-A (JP)
Title: 管内検査ロボット
IPC: B61B13/10
Filed: 2022-07-14
Abstract: 【課題】配管内の検査において流体を止めずに検査を可能とする管内検査ロボットを提供する。【解決手段】流体の流れる管内を移動可能に構成された移動体を備えた管内検査ロボットであって、移動体は、作動媒体の給排により管の半径方向に膨縮するとともに管の中心線方向に伸縮する管状体により構成され、前後方向に並ぶように配置された複数の伸縮部と、前後方向に配置された一方の伸縮部の端部に対向する他方の伸縮部の端部とを連結する管状に構成された連結部とを備え、複数の伸縮部を前記連結部により連結したときに、先頭の伸縮部の前端から最後尾の伸縮部の後端まで貫通する内部流路を備える構成とした。【選択図】図１
Patent JP-2023056469-A (JP)
Title: Simulation test apparatus, and simulation test support apparatus
Inventor: TERAMOTO KENGO
IPC: G05B23/02
Filed: 2022-07-21
Abstract: To simulate a control target outputting a time series waveform to thereby precisely determine whether or not a control device for controlling the control target passes a test.SOLUTION: A simulation test apparatus 30A carries out a test of a control device 10 for controlling a control target outputting a time series waveform by outputting a control signal by simulating an operation of the control target. The simulation test apparatus 30A includes: a plant simulation unit 31 for simulating the operation of the control target by using the control signal as an input; and a similarity calculating unit 32 for acquiring an expectation value waveform group including an expectation value waveform as an expectation value of the time series waveform and distribution of the expectation value waveform to calculate similarity between an observed waveform as an output of the control target simulated by the plant simulation unit 31 and the expectation value waveform by weighting it by the distribution of the expectation value waveform.SELECTED DRAWING: Figure 1
Patent JP-2023017745-A (JP)
Title: Magnetic trap system and microscopic device guiding method
Inventor: SON DONGHOON
IPC: A61B34/30
Filed: 2022-07-25
Abstract: To provide a magnetic trap system.SOLUTION: The system comprises: a microscopic device comprising a principal axis extending in a longitudinal direction; a trap 100 for magnetically confining the microscopic device in a confinement region; a receptable zone in the trap for receiving biological matter, the receptable zone comprising the confinement region; and a mechanical device for providing a relative movement between the receptable zone and the microscopic device. The trap is hollow about a longitudinal axis, comprises the receptable zone, and provides a magnetic field gradient configured to confine the microscopic device to the confinement region of the trap. The orientation of the magnetic field in the confinement region is to align the microscopic device in the confinement region with the longitudinal axis of the confinement region.SELECTED DRAWING: Figure 2A
Patent JP-2022141950-A (JP)
Title: Information processing device, warning method, and warning program
IPC: G06Q10/10
Filed: 2022-07-28
Abstract: PROBLEM TO BE SOLVED: To execute leaving warning so that a user is in time for the start time of an important event, even when securing a time for rest of a fixed time or more. 
     SOLUTION: An information processing device has an identification unit 162, a determination unit 163, and an output control unit 164. The identification unit 162 identifies the start time of an important event, based on schedule information which associates the start time of an event with information indicating whether or not the event is the important event. The determination unit 163 determines whether or not warning is performed, based on a time after a rest interval with the current time as a standard, and the start time identified by the identification unit. The output control unit 164 outputs a warning screen, based on a determination result of the determination unit 163. 
     SELECTED DRAWING: Figure 4 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023152265-A (JP)
Title: Residual concrete collection vehicle
Inventor: LEE WOL HUI
IPC: B60P3/00
Filed: 2022-08-01
Abstract: To provide a residual concrete collection vehicle capable of recovering residual concrete generated after placing concrete via a recovery vehicle reduced in size and simplified in structure.SOLUTION: The invention provides a residual concrete collection vehicle 1 including: a collection unit 100 having a collection box 110 therein and collecting residual concrete; a loading unit 200 for receiving transfer of the residual concrete from the collection unit 100 and loading the residual concrete; a collecting operation unit 300 disposed between the loading unit 200 and the collection unit 100 to enable position movement and angle adjustment of the collection unit 100; a detection unit disposed in the collection unit 100 to detect a horizontal and a rotation angle of the collection unit 100; and a control unit 500 configured to control operation of the collecting operation unit 300 based on the horizontal and the rotation angle detected by the detection unit, where a lower end of the collection unit 100 is disposed so as to cover an upper end of the loading unit 200.SELECTED DRAWING: Figure 1
Patent JP-2022160656-A (JP)
Title: Currency processing device
IPC: G07D11/40
Filed: 2022-08-10
Abstract: PROBLEM TO BE SOLVED: To provide a currency processing device capable of handing over a change reserve, and performing currency processing immediately after handing over the change reserve. 
     SOLUTION: The currency processing device includes: a bill safe 141 that stores bills; a coin safe 142 that is provided in line in the front-and-rear direction of the device with the position in the right-and-left direction of the device overlapping that of the bill safe 141, and stores coins; and a storage space 131 that is provided in line in the right-and-left direction of the device with the position in the front-and-rear direction of the device overlapping that of at least one of the bill safe 141 and the coin safe 142, and can store a change reserve. 
     SELECTED DRAWING: Figure 4 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2022162060-A (JP)
Title: game machine
IPC: A63F7/02
Filed: 2022-08-24
Abstract: PROBLEM TO BE SOLVED: To provide a game machine capable of suitably performing a change in a probability. 
     SOLUTION: A game machine is set to be in a probability change reception state for receiving a change in a probability in which a result of determination means becomes a predetermined result by change reception state means in execution of first predetermined operation. In execution of second predetermined operation, the game machine is set to be in a probability notification state for reporting information regarding a probability in which a result of the determination means becomes a predetermined result by probability notification state means. In the meantime, a predetermined member arranged on a front operates in a mode not occurring in a normal game in a probability change reception state by the change reception state means or in a probability notification state by the probability notification state means. 
     SELECTED DRAWING: Figure 77 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2022166318-A (JP)
Title: Medical information processing system
IPC: G16H10/60
Filed: 2022-08-26
Abstract: PROBLEM TO BE SOLVED: To provide a system for setting a confidential item corresponding to an area where a medical institution exists. 
     SOLUTION: In a medical information processing system, an information processing system provided at each of a first to an N-th facilities and a research data management system can communicate via a communication line 3000. The research data management system has an area detection unit. An anonymization processor of facilities includes a confidential item setting unit. The area detection unit detects an area where a medical institution in which clinical data is acquired exists. The confidential item setting unit sets a confidential item on the basis of the area detected by the area detection unit. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2022168171-A (JP)
Title: game machine
IPC: A63F7/02
Filed: 2022-09-09
Abstract: PROBLEM TO BE SOLVED: To provide a technique capable of appropriately inspecting a game machine. 
     SOLUTION: A game machine includes: a plurality of detection means for detecting game balls passing through a predetermined area; storage means for storing detection information as information based on detection of game balls by the detection means; calculation means for calculating game history information as information regarding a history of a game on the basis of detection information; display means for performing display based on game history information calculated by the calculation means; control means for controlling the display means; and operation means for receiving predetermined operation from the outside. The display means is composed of a plurality of emission sections. The control means includes means for performing control such that all of the plurality of emission sections for composing the display means are turned on on the basis that the operation means receives predetermined operation. 
     SELECTED DRAWING: Figure 35 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2022176355-A (JP)
Title: Error detection device and error detection method
IPC: H04L1/00
Filed: 2022-10-06
Abstract: PROBLEM TO BE SOLVED: To make it possible to estimate FEC symbol errors and FEC code word errors. 
     SOLUTION: FEC symbol error detection sections 15A, 15B compare most significant bit string data with a reference pattern in the same phase and least significant bit string data with a reference pattern in the same phase in units of FEC symbols to detect FEC symbol errors. Error analysis sections 16A, 16B analyze, for each of the most significant bit string data and the least significant bit string data, an FEC symbol error occurrence state on the basis of an FEC symbol error detection result and an FEC code word error occurrence state on the basis of whether or not the number of FEC symbol errors in one FEC code word exceeds a threshold for the number of FEC symbol errors in one FEC code word. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2022185130-A (JP)
Title: Glucose measurement apparatus
IPC: A61B5/1473
Filed: 2022-10-13
Abstract: PROBLEM TO BE SOLVED: To minimize additional work of a user and enable the operation start time to be adjusted depending on the need of the user. 
     SOLUTION: A glucose measurement apparatus comprises: a body attachable unit that is attached to a body and measures biological information; and an applicator that operates so that the internally coupled body attachable unit is discharged to outside. If the applicator causes the body attachable unit to be discharged to outside, the bottom end of the body attachable unit protrudes downward from the bottom end of the applicator. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023027042-A (JP)
Title: Business data processing method, device, electronic apparatus, storage medium, and computer program
Inventor: CHEN MINGZHI
IPC: G06Q10/0631
Filed: 2022-10-27
Abstract: To provide a business data processing method, a device, an electronic apparatus, a storage medium, and a computer program.SOLUTION: The business data processing method includes: identifying a request type of an operation request for a target business in response to acceptance of the operation request; identifying a target agent module corresponding to the request type on the basis of the request type; and transmitting the operation request using the target agent module so that a business arrangement cluster operates the target business in response to the operation request.SELECTED DRAWING: Figure 1
Patent JP-2023036590-A (JP)
Title: Anti-cd137 molecules and use thereof
IPC: C12N1/21
Filed: 2022-11-28
Abstract: PROBLEM TO BE SOLVED: To provide antibodies that bind to human CD137 or antigen binding fragments thereof, nucleic acid encoding the same, therapeutic compositions thereof, and their use to enhance T-cell function to upregulate cell-mediated immune responses and for the treatment of T cell dysfunctional disorders, such as tumor immunity, and for the treatment of cancer. 
     SOLUTION: The present invention provides an isolated antibody, or antigen-binding fragment thereof, that binds to an extracellular domain of human CD137, wherein the antibody or the antigen-binding fragment thereof binds to one or more specific amino acid residues. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023014322-A (JP)
Title: Production of viruses in cell culture
IPC: C12N5/10
Filed: 2022-12-01
Abstract: PROBLEM TO BE SOLVED: To provide methods of replicating viruses in vitro. 
     SOLUTION: The invention relates to a genetically modified population of cells, and/or cells treated with an exogenous compound, where the cells are capable of producing more virus than cells lacking the genetic modification and/or lacking treatment with the exogenous compound. The invention also relates to methods of producing populations of such cells, and preparing vaccine compositions from the viruses obtained. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023038203-A (JP)
Title: Display device, display method, program and image projection system
IPC: G06T7/215
Filed: 2022-12-22
Abstract: PROBLEM TO BE SOLVED: To provide a display device and the like that can preferably present a content image associated with a living creature to an observer. 
     SOLUTION: A display device 1 comprises: an acquisition unit that acquires picked-up images obtained by picking up images of a plurality of living creatures; a recognition unit that recognizes a living creature group composed of the same kind of living creatures from the picked-up images; a content acquisition unit that acquires a content image related to the living creature group; a determination unit that determines a display position of the content image on a display surface which is provided between the plurality of living creatures and an observer on the basis of a recognition position of the living creature group; and a display unit that displays the content image on the display surface on the basis of the determined display position. The picked-up images are moving images, and the recognition unit extracts feature points corresponding to living creatures from a first image and a second image continuing in time series in the moving images, detects movement of the living creatures on the basis of the difference between coordinate values of the feature points extracted from the first image and the second image, and recognizes the living creature group on the basis of the movement of the plurality of living creatures. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT